Question 49(d)
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.

What would be the nature (acidic/ basic) of oxides formed?

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Solution

The element is sulphur.The oxides formed are ${SO}_{2}$ and ${SO}_{3}$ . The reaction involved in the oxides formation is as follows:

$2 {FeSO}_{4} (s) Heat \to {Fe}_{2} O_{3} (s) + {SO}_{2} (g) + {SO}_{3} (g)$

Non- metal oxides are acidic in nature. Since ${SO}_{2}$ and ${SO}_{3}$ are non- metallic oxides, they are acidic oxides.

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An element

X

which is a yellow solid at room temperature shows catenation and allotropy.

X

forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.

The nature of oxides formed is :

Question 49 (a)
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.

(a) Identify the element X

Q. Question 49 (b)
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.

Write the electronic configuration of X.

Q. Question 49 (c)
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants

Write the balanced chemical equation for the thermal decomposition of ferrous sulphate crystals.

Q. Question 49(e)
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.

Locate the position of the element in the Modern Periodic Table.

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Question 49(d) An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants. What would be the nature (acidic/ basic) of oxides formed?

The element is sulphur.The oxides formed are SO2 and SO3. The reaction involved in the oxides formation is as follows: 2FeSO4 (s)Heat→Fe2O3(s)+SO2(g)+SO3(g) Non- metal oxides are acidic in nature. Since SO2 and SO3 are non- metallic oxides, they are acidic oxides.